Excavation of medieval graves at St Thomas’ Kirk, Hall of Rendall, Orkney. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 138, p. 239–265, 2009. DOI: 10.9750/PSAS.138.239.265. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9725. Acesso em: 5 dec. 2025.